數學題...........
回答 (3)
2006-11-12 11:14 pm
售價是$195
2006-11-12 11:10 pm
200 x 2-1/2% = 5 (虧蝕了5元)
200 - 5 = 195 (售價是195元)
200 - 5 = 195 (售價是195元)
2006-11-12 11:05 pm
195元.........................................
收錄日期: 2021-04-15 23:28:45
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https://hk.answers.yahoo.com/question/index?qid=20061112000051KK02725